40289854 has 12 divisors (see below), whose sum is σ = 66428712. Its totient is φ = 18313460.

The previous prime is 40289833. The next prime is 40289867. The reversal of 40289854 is 45898204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83002 + ... + 83485.

It is an arithmetic number, because the mean of its divisors is an integer number (5535726).

Almost surely, 2^40289854 is an apocalyptic number.

40289854 is a deficient number, since it is larger than the sum of its proper divisors (26138858).

40289854 is a wasteful number, since it uses less digits than its factorization.

40289854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166511 (or 166500 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 40289854 is about 6347.4289283142. The cubic root of 40289854 is about 342.8192742733.

The spelling of 40289854 in words is "forty million, two hundred eighty-nine thousand, eight hundred fifty-four".